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40789-98-8

Name 3-Mercapto-2-butanone
CAS 40789-98-8
EINECS(EC#) 255-082-2
Molecular Formula C4H8OS
MDL Number MFCD00085206
Molecular Weight 104.17
MOL File 40789-98-8.mol
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Chemical Properties

Boiling point  48-49 °C/15 mmHg (lit.)
density  1.035 g/mL at 25 °C(lit.)
FEMA  3298
refractive index  n20/D 1.4352
Fp  117 °F
storage temp.  Refrigerator
form  clear liquid
pka 8.38±0.10(Predicted)
color  Colorless to Light yellow
Specific Gravity 1.015
Odor at 0.10 % in propylene glycol. sulfurous onion roasted gassy meaty
Odor Type sulfurous
Sensitive  Light Sensitive
JECFA Number 558
LogP 0.67
CAS DataBase Reference 40789-98-8(CAS DataBase Reference)
NIST Chemistry Reference 2-Butanone, 3-mercapto-(40789-98-8)
EPA Substance Registry System 40789-98-8(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
RIDADR  UN 1993 3/PG 2
WGK Germany  3
RTECS  EL9050000
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29309090

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